/**
 *
 * @author Kyle
 */
package lauglog.servlet;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;
import java.util.Calendar;
import java.util.Vector;
import lauglog.bean.UserBean;
import lauglog.util.Friend;

/**
 *
 * @author Waseem
 */
@WebServlet(name = "Comments", urlPatterns = {"/Comments"})
public class CommentsServlet extends HttpServlet {
    
    int eventCounter = 0;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action = request.getParameter("action");
            if (action.equalsIgnoreCase("sendComment")){
                sendComment(request,response);
            }
            else;
        } finally {            
            out.close();
        }
    }
    
    private void sendComment(HttpServletRequest request, HttpServletResponse response){
        //Initiate variables for database queries
        String url = "jdbc:mysql://localhost/lauglog";
        String dbUserName = "root";
        String dbPassword = "";
        String driver = "com.mysql.jdbc.Driver";
        int friendId = Integer.parseInt(request.getParameter("friendId"));
        
        Connection con = null;
        try{
            
            //Make the connection
            Class.forName(driver).newInstance();
            con = DriverManager.getConnection(url, dbUserName, dbPassword);
            
            //
            int userID = ((UserBean)request.getSession().getAttribute("user")).getUserID();
            
            PreparedStatement commentStatement = con.prepareStatement("INSERT INTO Comments (SenderId,ReceiverId,DateTime,Content) VALUES (?,?,?,?)");
            commentStatement.setInt(1, userID);
            commentStatement.setInt(2, friendId);
            commentStatement.setDate(3, new java.sql.Date(Calendar.getInstance().getTime().getTime()));
            commentStatement.setString(4, request.getParameter("comment"));
            commentStatement.executeUpdate();
            
            response.sendRedirect("./Friends?action=viewProfile&friendId="+friendId);
        }catch(Exception e){
            e.printStackTrace();
        }finally{
            try{
                con.close();
            }catch(Exception e){
                
            }
        }
    }
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
    
}
